1976-S Proof Bi-Centennial Kennedy Half Dollar struck on wrong planchet. We recently had the pleasure to purchase and attribute a 1976-S Proof Bi-Centennial Kennedy Half Dollar struck on wrong planchet major mint error coin. This extremely rare Proof Kennedy Half Dollar is certified by PCGS and given a grade of Proof-67 with Deep Cameo properties. […]
Lincoln Cent Re-punched mint marks
An extensive Lincoln Cent Re-punched mint marks collection to go on sale I have a rather large, copper Lincoln Cent collection in the Storage vault. I have decided to start selling some of these copper Lincoln Cents. I have decided that these will be sold individually and as time permits. Among the Lincoln Cent collection […]
Amazing 1964 Kennedy Deep Die Cap major mint error coin!
A rare and excellent example of a major mint error coin. Die caps on half dollars is rare. It has a higher degree of rarity if the die cap is on a coin of which is a one year type. This is on a 1964 Kennedy Half Dollar. I have been a major error collector […]
What is an OMM (over mint mark): Educational Series
A mint error produced by the mint that is working die related The over mint mark (OMM) series in the Lincoln Cents is special. Two over mint mark error coins occurred in the 1940’s, in close proximity to the 1943 copper cent and the 1944 steel cent. Today we are going to look at the […]
Amazing struck on wrong planchet 1966 Lincoln cent on clad dime planchet
A nice struck on wrong planchet error coin. This is a 1966 Lincoln Cent struck on a dime planchet. Let us examine this struck on wrong planchet coin and think of ways that this struck on wrong planchet error can occur. How are struck on wrong planchet coins made? In order to have a slim […]
Russia Mule error coin double reverses !
Unique Mule error coin created with two reverse dies. A very unique Russian Mule error coin. This Mule coin was made with a 10 Ruble reverse die and a 2 Ruble reverse die. I typically surf about a half dozen or more auctions houses a day in search of some dramatic error coins that will […]
The VNA Coin show Sept 24-26, 2021
Visit us – VNA coin show Tables 101-104 far left, front tables MintErrors.org (front tables, far left) will be at VNA coin show from September 24th – 26th, 2021. We have a lot of new items for the 2021 VNA coin show ! The Virginia Numismatic Association (http://vnaonline.org) holds this spectacular coin show in Fredericksburg […]
How are off center coins made?
How off center coins are produced Off center coins are typically created when there is a malfunction in the minting press. When a minting press is producing coins normally without any errors, a planchet is fed onto the anvil die. The collar then surrounds this blank planchet. The hammer die then strikes or squeezes the […]
Major mint Error coins from India – Multi-Struck coins
In this post we will chat about a major mint error that I purchased from India. Today we will talk about some multi-struck coins which are considered to be major mint error coins. I wanted to purchase more than a dozen of the multi-struck errors, so I could have a wide variety as well as […]
Capped Die Major mint error
I have a source within India who I am working with to obtain some World Coin major mint errors. He offered me a lot of five, 25 Paise major mint error coins from India. The lot was not specific on what each coin was. I thought this mint error coin lot was decent in price, […]